Bedrockgames
Legend
Yes. Typically the Wizards.
I found its largely a flavor concern since most people I game with rarely play the same class all the time. They just like the idea of wizards who start out weak and grow powerful. It was a trade off because you do begin the game quite weak and squishy and you have to wait things out till you advance(before 3e even more so because it took wizards so long to advance).
Personally I favored fighters, bards and thieved, only playing the occasional wizard.