Well we do know what happened when DAT was introduced in 1987: nothing. DAT was rejected as a consumer audio format. One reason often cited for the rejection

Well we do know what happened when DAT was introduced in 1987: nothing. DAT was rejected as a consumer audio format. One reason often cited for the rejection was the inclusion of DRM features (called SCMS, or Serial Copy Management System) for pre-recorded content. The subsequent Mini-Disc format was also rejected outside Sony's home country market, largely for the same reasons