Sorry but Im not sure where you mean by at the tertiary bigtop above below so here are my comments  You asked Is kg really so bad  Im not sure which article you are referring to but I presume you are questioning why I put a space in between the number and the kilogram symbol  I guess my question back is what do you mean by really so bad  Is it so bad that it is a major problem seriously degrading the quality of the article  Probably not  Is it against accepted style potentially harder to read and very easy to fix  Yes  It can be much easier to read if there is a space there which is why that is the accepted style  This can be very important if someone gives a number of liters and they use the lower case L since it looks like a     Jul  UTC