How much longest will it take for VHS tapes, VCR's and audio cettes to become "antique" status?

How come much of the old electronics such as 8 track cettes, NES video game system, BETA video cettes, Laser Disk, 70s old fashion wood panel tvs, black and white tvs with antenna, and old fashion am radios are all now considered antiques and are now starting to become worth more. Why is VHS hanging on like this? When will VHS become considered antiques? Will it ever happen? Why is all those old electronics keep becoming more and more obsolete and extinct?