I went the extra step to clear those terms for anybody that could read it, just in case anybody is interested.

You said:

  - A rangefinder is a higher quality camera than an SLR ever was
  - a full frame mirrorless probably has better quality than a DSLR
  - A medium format camera can be better than all of those

I say you're mixing stuff because:

  - rangefinder only means it has a rangefinder. There are Yashica Electro, Argus C3, and there are Leicas. Most rangefinders are medium/low quality
  - well nowadays, maybe, but not necessarily. But we can generalize a bit in that case
  - A medium format camera can be mirrorless, DSLR, rangefinder... so it can be in any of those groups, so we cannot compare it just like that