Guidance is a great choice, obviously.
Is it tho?
When you have Friends you can only concentrate on one of them ... its good tohave options ofc ... its just not as good as it may seem.
I would argue guidance actually is better than Friends, assuming you're comparing it to Friends specifically and not just using that as a random example of a concentration spell. Guidance applies to any skill check and it won't result in immediate aggro of the target, which likely defeats the point of the spell.
As for this discussion in general, I do think it's annoying. I was never going to use pact of the tome to begin with, but in principle I think it's a bad approach. Even if it's the only approach they could take due to technical limitations, that doesn't make it not bad. It just means it was the best bad option.
