but Bach is known to have been interested in pianos and apparently acted as agent for a piano manufacturer during his time in Leipzig.
A colleague of mine, when being interviewed to be an Associated Board examiner, was asked, 'Do you think Bach should be played on the piano?' His answer: 'You obviously do, because he's on your syllabus'.
In his article on registration, a link to which appears elsewhere on this board, Peter King observes that Bach survives transcription to other instruments - including organs which are not like those he knew - better than any other composer. I think there's a lot of truth in that.
I would certainly say that it's better to play Bach on the piano than not to play Bach at all. Some players have made it a speciality - Glenn Gould, for example. I'm not a fan of his, but he certainly had and has a large devoted following.