go and read photography magazines from that era. There's was much heated and vehement objection to including articles pertaining to digital photography and cameras. Many photographers at that time were convinced digital cameras were just toys and had no part in 'professional' magazines.
Classic disruption. When the new tech isn't very good and gets a foothold in new markets, the professional users (correctly) view it as inferior, rubbish, a toy. The big picture question is whether it could improve enough to be usable by professional users. It's kind of odd that many are oblivious to the obvious trajectory of improvement.
EDIT e.g.1 (from Worse is Better) could AI become good enough? A tricky one, since they aren't competing with another product, but with us. OTOH, computers are constantly replacing people for simple tasks - the history of computation is the history of mental automation. e.g.2 could PHP become good enough to replace Java in the Enterprise (apparently their target)?
Something that can stall the trajectory is the next wave of disruption breathing on their heels.
of course, some thought the opposite