I know to lot of people, who may have invested money into the wrong investment platforms outside of Bitcoin but pirade themselves as Bitcoin investment may misunderstand the title of this thread, but that is the truth, and the best way to start your Bitcoin journey.
I use myself as an example, be for I started to acquire knowledge about Bitcoin, I first bought some amount of Bitcoin and held it in my personal wallet, not an exchange wallet, and I had my wallet keys properly saved, and after that, I became more active innthe forum and reading comments and posts and doing other bitcoin related research, and that made it easy for my to accumulate more bitcoin while studying, and this has helped me in much greater ways and I thought it could help others here, most especially newbies.
So if you have the money to buy some Bitcoin, why not buy first and thereafter learn along the way and keep practising the few things that you learn, e.g DCA approach, this approachable helped a lot of newbies to be able to have the right mindset and accumulation approach towards bitcoin, and they can accumulate a good amount within a short space of time, and also building a sustainable knowledge that helps you to have a better understanding of the market and to make good analysis.
OP you are right I agree with you because if a newbie starts investment journey with small amount of bitcoins then surely he will know all the tricks of investment with his small amount of bitcoins. Because new investors don't know how to hold the investment so in this case if a new investor starts investing with a small amount of Bitcoin then the investment path will be much easier for him later. He will understand how to save wallet, how to hold, how to increase investment in DCA method. People do not learn everything at once so everything has to be learned slowly.