As some commentators have mentioned, that was mostly fine at the time of Ellesmere (2016ish?) where games wouldn’t so frequently shoot past that limit. In today’s environment, we find that a much higher proportion of games will want more than 8 GiB of VRAM, even at lower resolutions.
Notably, the most recent predecessor in this sort of segment (RX 7600 series) used the XT suffix to denote a different SKU to customers, though it’s worth mentioning that the XT was introduced quite a bit later in the RDNA3 product cycle.