Coming back to the topic of memorizing seeds, we know that it's risky to memorize seeds due to the inherent risks involved, but as long as physical backups aren't neglected or left aside, I don't see a problem in trying to memorize them, since you can restore your wallets anywhere in the world, and you still have your physical backups whenever you need them.
I don't have anything against putting your brain to the test and having it memorize your seed phrase or other personal information about yourself. I do the same thing with my debit card information, tax ID, etc. It's a good mental exercise. Make your brain do some work. It only becomes a problem if your memory is the only record for your seed and you are too confident that you will never forget it and therefore you don't make physical backups. That should be avoided at all costs.
Trouble comes unannounced, nobody ever really knows when something bad might happen to you me us and our little brain. Sure, the idea of relying on memory isn't that bad, but depending only on it? That's just asking for trouble. Take me for example. I have memorized all of my social media passwords, some of them are over 50+ digits long. Sounds insane, right? I know. But I have read/used them so many times, they are basically on the tip of my tongue. Niow coming back to seeds, memorizing is not recommended because there is no backup way to gain access. You either know the seed or you don't. But with other sites there are other options for account recovery with like email, mobile. So, I don't think that's worth the risk anyone might be interested into taking.