There's a fair argument in weighing the upsides and the downsides of registration requirements. But saying the downsides are "all these regulations do" is intellectually dishonest. Lots of scams get stopped, or at least quarantined, by these regulations. The speed with which the ICO market went from zero to bullshit only seems to re-inforce the prudence of these rules.
> $6 million to do an IPO
Having watched private companies spend much more than that to raise private capital, I think it's safe to say filing fees aren't the primary problem the public markets have.