@rail_ For what it's worth, basically every single thoroughly reputable ISP I know of, in any country, started out of spite with the existing industry, after someone concluding pretty much the same thing... so yeah, that sounds like a good plan (assuming you're prepared to deal with the complexity)
@rail_ Also thinking of A&A, XS4ALL, etc.
@rail_ (And Free, by some definition, though that was a bit of a weird special case)
@joepie91 yeah, companies like init7 and such