Is it a big company? Big companies (especially public companies) prefer predictable costs to lower but unexpected costs. They've probably gotten good at estim

Is it a big company? Big companies (especially public companies) prefer predictable costs to lower but unexpected costs. They've probably gotten good at estimating work, schedules, hiring, etc using .Net 1.1, so they get the predictability they want. Something that's theoretically better is an ugly question mark for them. Something that's undeniably better (like WCF in your case) has a chance.