America should switch to the metric system

First of all; about sources. My source was not cited to give evidence. I only got ideas from that source. So why would it matter if it was a humorous blog or not? \\\\the examples I chose illustrate the issues that can happen in a situation where people, and machines, are given something that is assumed to be of a type they are used to. Making these two assertions without the logic, reason or some form of citation comes down to opinion and as such I would like to ask my opponent to explain in clearer language why the age of an event, or why his assertion that the medical situation is a stupid mistake stands to reason.//// 1. The article about the medical pharmacist incident has nothing to do with this debate as I stated in the last round. 2. Because mistakes like that get corrected. That kind of field of work is very advanced they will make sure a mistake like that will never happens again. America doesn't need to change to a whole new system just because of that. My statement that Americans are lazy and spoiled has been entirely overlooked by my opponent and so we can assume that Americans are lazy and spoiled. As a result Americans won’t take to changing their ways. Especially in this day and age where people live very comfortable lives. And when it would be hard for any country to do so. Your source [http://lamar.colostate.edu...] also states that the metric system was used partially prior before adopting it. Which would make it easier for Canada to adopt the metric system. Pro’s only good argument, really is that the metric system is better. Maybe thirties is a bit too young to say that it will be difficult to learn. But what about the 40’s through 90’s? \\\ability to learn is impacted with age, there are a number of sources for improving an elderly persons ability to learn. Memory can be improved with mental exercises as well as well established guidelines on the matter. [1][2] And while my searching was focused on elderly learning, the techniques are also applicable to those in their 30s, as well as the ages that are below that. [3]/// So now my opponent is saying the process should be even more complicated and harder, by making elderly people go through mental exercises and training. My opponent also alludes to the metric system being difficult to learn. That is not the case. [4][5][6] The sources my opponent posted show how to learn the metric system or part of it. In no way does it show that it is easy to learn. Pro has not refuted these following claims. ====== ///For America to change systems students would have to be taught different. It would be hard for teachers who are often old to suddenly learn a whole new system. Many would have spent a large degree of their lives learning the material they teach. But now they would have to change a large portion of it over a short period of time. Also many school books would have to be discarded and replaced. *Note* when I say teachers in the above I'm mostly talking about teachers of young students, as more advanced teachers probably know both systems. While I agree that the metric system is a more logical system; using the imperial system isn’t terribly difficult. You don’t have to go through great pains in doing conversion. Mainly it’s just learning how to do conversion that is the problem. The outcome of this would be that the majority of the people would just stick to the imperial system. Which is one reason why it would not work. American’s are lazy (I’m American just to let you know) their not going to be committed to carrying this out. Of course I am not saying all Americans are lazy, but many Americans are a bit spoilt as they are generally well off and never have had to suffer.//// ========