Any Reason Why Learnt Kanji Have to Be Made into Radicals?

I agree completely and I personally auto-skip radicals and don’t pay them any attention because they’re often superfluous and sometimes even misleading (hiding meaningful relationship between kanji). I made a post about it there:

I recommend using the keisei script instead, it’s not relevant for all the kanji on WK (only about 70% of them) but when it is it usually does a better job of giving your a meaningful decomposition of the kanji: