From basic economic principles, if you have a higher capital, you will certainly have higher returns compared to starting with a smaller capital. If you're just chasing returns or expecting a huge profit margin but pay slight attention to how much you use as your capital, even when you make a profit, the extent of your profit will largely depend on how much is your Capital.
REMEMBER
50% profit on $1000 is $500
5% profit on $100,000 is $5000
THE IMPLICATION IS;
Don't chase bigger returns, chase more capital. This is also applicable to How much you invest in Bitcoin and how much profit you can get from it.
There is no disagreement with your statement but apparently not everyone have the privilege to have such headstart with higher capital so atleast they start doing at what percentage should be appreciated. And there is other thing the basic rule is how long you can hold an asset in traditional even a decade is not that long but in crypto it's almost the age is it's existing so that's the biggest advantage for crypto investors they get ROI sooner than traditional investment.