Have Bethesda, Obsidian learnt their lessons or will there be more glitches in future games to come, personally I don't think they have, I think that they are always going to create games with tons of glitches regardless the amount of glitches they have made in Fallout Vegas.

LOL? Try to finish Fallout 2 without patches. 12 years is not enough for them (Obsidian).