Hmm yes. Thank you for answering.
Technically, the Balrog only affects gameplay negatively I would argue. I wouldn't see a problem if it were removed. While the lore aspect is interesting, the Balrog only appeared due to excessive mining in Khazad-Dum, which is a massive mine, not like the typical dwarven mine, but that aside, I only use it when I need quick cash and am desperate. I always try to use it on a unupgraded mine, and when I see that the Balrog appears, I quickly delete the mine before the Balrogs nicks it. I don't recall if that refunds some of the price. I might be mistaken. It's become sort of a habit haha.