Other people are replying to you acting like this is strange, but it's actually something normal people do all the time.
Every politician being interviewed from their home for TV news, every professor recording video lectures, every remote working CEO, and every twitch streamer has considered what is on display behind them.
If I choose shelves as my background, do I want eagle-eyed viewers to see my copies of playboy, my figurines of naked anime ladies, and my copies of the communist manifesto and mein kampf? As a matter of fact I don't.