Yes.
A long time ago on this board tried to insult me by saying, a top coach gets the last 5% of someone's performance, a PT gets the first 50%. He later apologised but I said, actually no, you're right. And that really is the trainer/coach distinction - the first and second 50% of someone's possible performance.
But when you think about it, 50% of an age-ranked world record is pretty good, if you get some chubby accountant or stay-at-home mother with a bad back to that, you totally change their lives. Look at raw drug-tested records as an example. For a guy in the 80s kg - so a normal height guy who, after a year or two of training is no longer chubby but hasn't got a sixpack - 50% of world record squat, bench and deadlift is roughly 140/100/160.
Woman in 60s kg, about 90/65/110.
And then think of a 5km run time, a 50% performance would be 25' for the men and 28' for the women.
Seriously, if you can take a previously sedentary person under 35 and in under 12 months (could be quicker, we'll assume just a PT session or two a week, and people who don't have perfect food and rest) get them to 50% of world records - you've totally changed their lives in a way they'll never forget, and very probably established habits of exercise they'll keep up forever.
So yeah, like a GP.