Understanding the difference between Bitcoin, shitcoin and altcoin.
When it comes about investment, many people don't usually know the best coin to invest making them to go invest on shitcoin mostly a pump and dump coin, this is also very risky thing to do, as a newbie it's better to stick on bitcoin than jumping around altcoin that doesn't have a clear future. This is mostly for those who are roaming around for quick profits, Bitcoin is for long term investments, while altcoin is for short term investment but are highly volatile.

Of course, you are right knowing where to stor our seed phrase matters alot as most people who doesn't know how to secure their keys easily get scammed or again, not leaving their coin inside Central exchange it's also risky not to do that as not your key-- not your coin.