[Google Pixel 6 Pro] BabeShaq:
1. Yes keep it, you loose very little with this (if anything). You can enable blood pressure and ECG with this (currently running it on OnePlus 8Pro and it works without issues):

How to enable ECG and Blood Pressure features on the Samsung Galaxy Watch 4

Get the ECG and blood pressure monitoring working on your Galaxy Watch 4 in all regions, even with non-Samsung phones.

www.xda-developers.com

So just some fiddling around, but you only need to do this once and you're set to go.

2. No one can tell you what is better for you but I can share how I decided to return to Google.

The most important phone feature for me always been smoothness. Long time ago I switched from Nexus 5 to Samsung Note 4. It was supposed to be a step up with the newer processor, but Sammy let me down big time.

I was shook by how much smoother the Nexus was. I was chasing for a better performance for Note 4, so I tried rooting, custom roms etc., but without luck. Nexus 5 was simply much better in that regard.

What I learned about Google phones in the long run:

I was used to getting a poorer and poorer performance from Samsung as the phone aged. With Nexus and Pixels it was always the other way around. In my experience Google phones were not that great when they got released, but in months, with help of updates, they started flying.

I loved the community support around these devices. What most called 'a plain' version of Android, happened to be as rich in functionality as I would want them to be (with help of rooting and some neat apps). Also, Google phones had the reputation of being a compromise choice. E.g. with Pixel 2 people didn't like the screen. Meanwhile I absolutely adored it because I knew there were tools that allowed you to adjust display as you like. If not the community, I would've never learned about this though.

Reviews never called full justice over these devices for some reason. I was rarely finding a review that would justify my experiences with Google phones. It felt like the reviewers were playing around with them for a couple of weeks and then putting them back to the drawer. A Nexus/Pixel in early days without rooting for me seemed like a waste (things have changed now days, I don't see a reason for rooting anymore).

I split ways with Pixel after 2XL. Although it was a really amazing phone, Pixels 3 and 4 didn't seem attractive for me with the price.

I went to OnePlus with 7 PRO which was offering a clean enough OS, smooth performance and insane screen. Really amazing phone.

8 PRO is still ok, but it never felt like a step forwards from 7 PRO (except from camera). Software updates got very slow, i'm not even sure if 8 is supported anymore, lol. I have very little to no hope in regards to the unified OS they are bringing.

I have 0 complaints about Galaxy Tab S7, so I considered Samsung 21 Ultra. I liked it when I got a chance to use it in a store. But after the atrocious experiences with Note 4 and some short time spent with Galaxy 9, 10, I still don't see myself using a Samsung phone.

In Pixel 6 video comments I saw people raging on 21 Ultra for slowness, battery issues so it looks like not much has changed unfortunately.

When I heard about Google working on a chip for Pixel, that got me excited. As long as it's at least comparably as fast as SD 865, but is smooth, I will be more than happy to return to the vanilla Android. Can't lie, I missed it.

Summarizing, if you owned a Pixel before, you should know pretty well what's to expect and whether you liked it or not. If that would be your first Pixel device, just go for it. This year seems to be the best time ever to join #TeamPixel.