Agreed, it should give maybe a bit higher experience (higher than just 10-25-50 depending on which level its on). But shouldnt give a level perse indeed.Yes, the requirements are harsh. Especially if you get a guest who wants a massage at noon (which is most likely to collide with your training, sice four of the girls will probably be maxed by now). However, I still think that Amanda is overpowered, since she gives you a whole level at once. That will take 5 or more tries with real guests, so blocking 3 shifts as opposed to 5 seems like a good deal to me.
Is it then true that since this patch level and experience are no longer related then? Because that might explain why Laura is indeed level 3 in message, but lacks the experiencepoints to give a satisfying massage.. The relation between those two stats could be more on par I believe then.