If this is the case Apple employed an amazing strategy. By locking all ways to possibly root their devices they patch vulnerabilities discovered for free by jailbreak devs.
but they haven't, the article says the "private" community still has exploits and apple patches them. The public, like the dev, for some reason, don't anymore.
Is this actually true? Jailbreaks are more or less the same exploits used by things like Pegasus, the exploits are probably worth more to the individuals that discover them than the ability to give their friends access to side loaded apps
That's the rub of relative integrity. It's variably easier for some to rationalize taking the cash, even if that giant pile of coin is likely to lead to the imprisonment, deaths, and/or torturing of others for better or for worse.