It's funny that on this forum people assume that every question is from a newbie.
What's wrong with being a newbie?

The worst scenario is that I get knocked on the head and forget who I am, but then do my coins mean anything to me anyways?
Or you could just forget a tiny detail in your seed phrase like what the 9th word were or what were the order of the words with the passage of time...
Plus with memorization I can travel world-wide without customs asking me what is this weird little electronic device in my pocket or this note with 12 words on it.
Hardware wallets are not the only way to create a Bitcoin wallet. You could just write down the phrase inside a book in different pages and nobody would ever know.