Re: 24 fps
Peripheral vision is more affected. You certainly don't need more than 48fps capture. Then distribution could be 24 fps or 48fps, but needs to be PROGRESSIVE.
Cinema has used x2 frame rate for display for a long time (Mechanically, now Electronic and triple DLP projector). Doing this with Interlaced source is a problem, Only film source can be be deinterlaced perfectly, which must be done to effectively interpolate for a higher frame rate display or higher resolution for giant panel.
There is no need to TRANSMIT or Distribute 96 fps 3840 x 2160 etc, if the source is 48ps and UHD anti-aliased to 1920 x 1080 @ 48fps, PROGRESSIVE, then displays can do excellent up-scaling and if required, frame interpolation. Interlace OTH is best quality left unchanged.