To be honest it would have been far simpler to simply RxB check

Maybe not so good - note that the g-pawn is pinned and now black faces a Mating Attack

The Mating Attack is not sound,since it is so easily parried - where can the Queen go now ? Is the Bishop lost? It is probably not worth the sacrifice of white's Bishop for simply a pawn and exposing black's King to future attack - particularly since white is very poorly developed.