A question for the BLU peeps

[Reynhart]

Also, it seems the very low learn rate is to make the content stretch for a long time which will probably anger more people. We will have to see if that happens and how much.

That's the paradox. Low success rate makes players angrier whe they fail but far more happier when they succeed, compared to 100% success.

Then that would mean it wasn't actually harassment and the player should just try again. Maybe after a breather.

As long as no one explicitely insults anyone, it's rarely considered harassment. For example, a hoted debate wether your tank should use its tank stance or not, and a subsequent kick (Regardless of the side) would only be considered "different game style".

They said higher level enemies that can teach the same spell offer a better chance?

I'm pretty sure the did during the Live Letter using Ifrit as an example. However, the LL Digest only says :

Also, if there are several types of monsters that use the same ability, the rate at which you learn differs based on the monster.

...so it might not be exactly that.
EDIT : Actually, the Ifrit example seems to have been a hint that you could learn Eruption not only from Ifrit but also from Ultima, so...we'll see.

Anyway, this is under the assumption that SE would just lift the restrictions on blu and set it free in the rest of the content that I think we both will agree is a bad idea.

They have a lot of room to tweak BLU for high level content but I hope they won't lift the premade restriction. What they also should do, in my opinion, is give BLU a trait to increase the Xp reward on roaming monsters for the whole party and not just himself, so that you could Xp efficiently by chaining mobs as long as you have a BLU in your party.