Them : BBB is too OP.

Us: BBB knows how to utilize his powers and that makes him look flawless to other people even tho he's full of weaknesses.

seriously tho? should i list out all of his flaws?

we start with the basic:
1)cant split for a long period of time.
2) short term memory.
3)careless & sometimes bring danger to others.
4)rushing when it comes to decision.
5)selfless
6)depend too much on his power.

now we move to his elemental power.

Gempa:
1) Slow to react//attack
2) self-defense is low when he controls the golem
3) splitting mean he need to be extra cautious with his other self = less focus on attack n defense towards enemy
4) Weak on long range attack

Halilintar:
1) Fragile weapon
2) not good with long-range attack
3) his attack works becoz he's fast. if you learn physic then you know what i mean.
4) oh- globophobia

Taufan:
1) Lack on Attack power
2) easily give up (pessimist)
3) weak at confine area cuz his attack usually require lot of room (cakra udara n rasengan je la yg sesuai tuk confine area)
4)His hover board is quite fragile too.

Blaze:
1) hot-tempered
2) lack on defense
3) impulsive and act based on his instinct
4) Dont let me talk about water-based enemy

Ice:
1) Slow (either in speed//reaction)
2) his attack only works in long range attack (well, he can basically drown his enemy in a pool of water but let be real here, its a kid show so no)
3)need to work hard with fire-based enemy
4)like taufan, need large area to strike his ice

Thorn:
1) vulnerable weapons (plants =living things = sensitive with temperature n pressure)
2) clumsy
3) his own self is slow in speed- if all of them got chased- he will be the 2nd to get caught-1st is gempa(unless gempa ride his golem)
4) he seems easily distracted.

Solar:
1) his attack need time to charge
2) easily weaken after few attacks
3) defenseless when he prepared for his attack
4) his pros & cons is his attacks lol

there's some more but i cant think all of them.

so basically BBB is not OP. He just knows which elemental he needs to use at the right time & situation.

.....except that one time when he fights with Retakka skadjkahsaka.
kid-- you underestimated grandpa retakka.