I actually work in video games as a career and have done so for a number of years. I can see why Sym is such a hard character to balance. She has an interesting and unique kit, but her overall design is inherently bad for a game like OW. By nature of it’s design it’s very hard to balance her kit because she’s on a constant knife edge balanced between super under powered and extremely OP. There’s not a lot of middle ground to put her into just as ‘OK state’.
I feel for the balance team on OW because it must be extremely tough trying to manage a character like this, especially when it comes to taking her balance changes into consideration while constantly adding new characters to the roster that will no doubt impact how she plays.
The proof is in the pudding though, you can see why they have really adding anymore ‘builder’ type characters to the roster since the games initial release.