Apparently football is a sin now

[Napoléon]

Firstly, I'm not justyfing anything

You are.

I'm just saying I don't understand the relationship between a country's politics and their capacity to host a sports even in the future with all the requirements

Would you think it's acceptable to host the world cup in a country that treats black people as second class citizens? Or would you think that the governing body who makes those decisions should have a moral obligation to give the world cup to a country that treats its citizens as equals?

Secondly, it is better to pay a fine than going to jail or facing the death penalty, anyone will understand that. And thirdly, between keeping my mouth shut and facing a 50000 fine, I'd prefer keeping my mouth shut in public, considering 80% of the population would be hostile to me, it's a reasonable and rational cost of opportunity, not to mention I could lose my life.

You're completely missing the point. Neither option is acceptable. What you're doing is saying one is fine and nobody should care because the alternatives are far worse. It may be true that the alternatives are worse, but it doesn't make it any better to be oppressed. So again, quit justifying oppression.

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My proposal is to protest against it peacefully and not by forcibly breaking the law, I don't think Russians would have a problem arresting all gay people.

Because peaceful protests always go well in Russia. Do you even watch the news?