Glad to see the work being done here. The PCE is like the Saturn of the 3rd generation in terms of its cult following, success in Japan/failure in the west, strong fanbase among weebs and shmup fans (of which I'm both lol). This could go either way... I personally would assume it's "blunders" based on how you'd pronounce ブランダーズ, but English to Japanese phonetics isn't really a science. ブランダーズ isn't wasei-eigo or a common term (I don't think), so it was probably up to the creator's interpretation.