Do you not understand fiduciary responsibility? If they can charge and make more money they are effectively obligated to. They would need to sell their investors against the plan that everyone uses AND propose a plan that will make more money.
That’s not how fiduciary responsibility works. It’s very easy to say, “we’re not going to do X because we don’t think it’s a good long term investment due to brand destruction”. This happens all of the time. It’s a complete myth that they are responsible to force short term charges for short term revenue.
What you’re confusing it with is shareholder pressure, which is orthogonal to duty. What Reddit went through was just kowtowing to large potential investors to increase IPO demand.
Reddit went through this around their IPO.