Simply because it's not the case that 90% of all Rust job ads are from oil and gas companies. If there was some questionable section of business that also had a

Simply because it's not the case that 90% of all Rust job ads are from oil and gas companies. If there was some questionable section of business that also had a huge chunk of the rust job postings then I'm sure it would be that way. The reason it isn't is because it isn't needed. And yes this is due to frustration. But it's an actual solution to an actual problem, not a hypothetical.