My 2015 GS has 83k miles. How it starts has not changed in all those miles.
If engine hot, starts immediately regardless of side/center stand orientation.
If engine cold AND on the CENTER stand, starts immediately. I've tested this after 4 weeks of no use (vacation), fires right up.
If engine cold AND on the SIDE stand, sometimes it does take 2 tries, about 2 seconds per. Sometimes it starts immediately.
I generally wait about 5 seconds after power on to allow everything to "kick in", then crank.
So I'm guessing this is normal...