Indeed. Only a large influx of capital will help drive Bitcoin all the way to $1m. With institutional investment companies buying BTC like crazy (BlackRock, Strategy), achieving said goal becomes a no-brainer. Bitcoin might get there faster than we've thought. Maybe our dreams will come true 5 years from now? Only time will tell. Current market prices would be considered a bargain if that happens. I'd expect another bear market before BTC reaches $1m. Just keep buying and don't sell no matter what. 
Yes, you're absolutely right - without massive institutional capital, BTC won’t reach $1 million on its own. But what's interesting is that growth might not be linear, it could follow a geometric progression. If, for example, every additional $100k brings in even more investors and companies, the growth could start accelerating by itself. So at first, it's a slow climb, but then the snowball effect kicks in. And at that point, numbers that seem like fantasy today could just become a matter of time.