You are not immune to ads. Ads are not becoming ineffective due to oversaturation or savvy young people or whatever. Billions of dollars are poured into market research and analytics every year, corporations would know if ads were a waste of money way way before a tiktok comment section and stop spending money on them
By believing yourself to be "too smart" to be affected by advertising you're only making yourself far less mindful of and more susceptible to it. The ads you're exposed to poison your mind - be aware of that so you can combat it, and try to be exposed to as few as possible