The old historical meaning and value of liberalism is emphasis on individuality and private property. Those two come part and parcel together. It is no coincidence that socialism developed as a collectivist response to liberalism. Many people think socialism is only on economic level but socialism is, well, also social. Socialism tries to go back to collectivism; where group well-being is more important than individual. Think about it, why do the slogans "1% vs 99%" and "for the many, not the few" are leftist while centrists shun it? Other ideologies also tried to claim collectivism, namely communism and fascism. These ideologies are anti-liberal in the sense that they are against individualism. Never mind some of the collectivist ideologies are not democratic but that requires another discussion. In any case, you will notice socialists, communists and fascists often use "we" in their rhetoric more than the liberals and centrists alike, because of greater emphasis on collectivism, as in "us" rather than "you" and "I".

I urge you to read more on the historical development of political ideologies, especially on collectivism and individualism. This is not simply left or right, this is also collectivism versus individualism. This is what gets lost on the current discourse and why I think liberals and left lost ground in recent decades, because they don't understand. You don't have to agree, you have to understand. At the very least, progressives like Zohran Mamdani, Bernie Sanders and AO recognised this and they understand, and captured the appreciation of MAGA voters.