Believable considering the reactions to Eternal on Netflix last year, there were people who grew up with Sailor Moon that didn't know Crystal was a thing and that had been out for 7 years with a decent amount of promotion before each season's premiere so it was probably the same for the 90s redub.
Yeah, the SuperS dub went up in late September of 2019.
The Sailor Moon SuperS dub is now available to stream on Hulu | Sailor Moon News
The ironic thing, Canada got the Stars dub 2 years ago when the entire show went up on Crave.
Crave to stream Viz’s Sailor Moon dub in September