SEC vs World

Currently, US SEC is the irreconcilable opponent of the crypto business. Regulator demands in court that almost all cryptocurrencies are securities. It means that any action with them is covered by the relevant legislation and is totally controlled by the SEC.

Why did the conflict break out? Why is the crypto community strongly against any regimes of regulation and against the head of the SEC Gary Gensler? What position did Lado Okhotnikov take?