A lot of LCO's use them because they have power, and because they buy in bulk, so they get blowers, trimmers etc all at once and at a discount. Too, Stihl dealers are much thicker in some areas than in others, so you tend to see more guys using Stihl equipment in those areas. I'm in one of them where I am.
I like my 90, but it is as I said.
All I can tell you is go try one before you buy one, and find out for yourself.