I'm quite sure that still a few years after 2020 there were still atom or Celeron processors powered laptop that did not support 64 bits. Maybe it is not that

I'm quite sure that still a few years after 2020 there were still atom or Celeron processors powered laptop that did not support 64 bits. Maybe it is not that the architecture was not compatible as much as it was restricted or limited by Intel and co for these cpus