Use Invidious?

It sounds like Pale Moon is your best option.

What’s this extension?

The billionaire is the one who told them to do it.

So what? They would have eventually done it without him.

bold, italics, etc. are used to indicate context

How can you guarantee they are? There are no technical restrictions or instructions on how much or where you can use emphasis and strong emphasis in your message. Until that’s not the case, “italic” and “bold” should be treated as purely presentational markup.

used for accessibility purposes Screen readers do not and should not care about presentation; abusing semantic markup to indicate through emphasis that something is italic or bold is anti-accessibility.