Blindly following popular trends without understanding the reason behind them is a growing trend, where people participate to seem virtuous or to appear cool. This behavior, driven by a desire to fit in, has led many to question their involvement in movements or protests without a clear understanding of the cause. The speaker highlights the lack of critical thinking in blindly following popular opinions and the dangers of engaging in trends for the sake of appearance rather than genuine understanding or belief. This behavior has contributed to the speaker's disillusionment with the Democratic party, as they observe a concerning lack of logic or rationale in certain actions and decisions being made.