Do company fundamentals really matter?

Unless you get dividends from the stock, what's the value of a stock other than what someone else is willing to pay to buy it from you? When a company gives out regular dividends to stock holders, the dividend yield depends on the company fundamentals. In such cases, the stock you hold has inherent value. But when a company doesn't give out dividends, the value of a stock is only what someone else is willing to pay to hold this stock (only so that he/she can find someone else to sell it to who, in turn, values it based on how much he can sell it for later, and so on). When the latter is true (that is, you don't get dividends), does it matter what the company fundamentals are? Who cares what they are as long as I can find someone else to buy the stock from me at a higher price than I bought it at? It's like investing in some meme coin at this point where the value of a holding increases only because there's some clown out there willing to buy it from you at a higher price than you bought it at. What am I missing here? Please help me process this. I will be happy to be corrected.