You won’t play BG3 comfortably on a MBA, otherwise it’s a good general purpose laptop.
MBP is more expensive but more powerful and comes with 16Gb of Ram and a much more powerful GPU.
There isn’t a big difference between M1 and M2 on the CPU side, but M2 GPUs are significantly more powerful.
Finally, Pro models have better sound system, 120Hz ProMotion display, and more battery life.
I don’t know if there are guillotines in the movie, but we used them until 1977 so there might be one