True love is an ideal, and historically I don't know if most people experienced it- people have always married for money, had arranged marriages, been subject to immense power differences in their relationships that forced them to behave in certain ways. I do see this sentiment frequently and I think it reflects
1. the difficulty of romantic relationships in general, being something that you have to work at and compromise in every day, and
2. a general isolation that prevents people from falling in love organically and the perception of there "always being a better option" because of dating apps and social media feeding you the 1% of hot people all the time and movies and music and tv presenting sensationalized dream love stories to aspire to.
So maybe romance is just as hard to find as it has ever been, just in new ways. People have always yearned, so what do i know