Back on point: True.
Some characters can build meter like a crack head.. others like a turtle. Ryu can do a lot of ex fireballs and still have time to get a full meter. Sagat seem like the same way where I could do a quite a few Angry Bacon Touches and almost have a super at the end of the match if I wasn't facing a character with low health. I have a hard time building meter with Dan just because the lack of safe moves he has (besides uppercut which is semi safe)
It makes me wonder sometimes.