I can see both sides of this argument, but I think I lean more on the OC's side. I'm less likely to roleplay a character a certain way if it leads to them noticeably underperforming in combat sections, which, as Larian has stated, are supposed to be challenging. It also doesn't really make much sense in practice. If I'm only stating or reaffirming a previously held belief, how does that make me better at *anything*? I may have already held that opinion before but am only now introduced into an environment in which I can articulate or consider it. If I go through life believing that leaps of faith are silly I'm not going to suddenly become more talented in a mostly unrelated field just because I stated that belief out loud.
Why not let the relationships you form be the impact of roleplaying? If the system is functional and in-depth that should be incentive enough to roleplay a certain way.
