Strictly speaking there is a way You give up nearly everything else you do and spend all your time on Wikipedia persuading and encouraging the sort of culture change needed which includes ensuring the same values are passed on to the next generation of Wikipedians If your argument is reasonable you stand a good chance of achieving some sort of change But most people are sensible enough not to do that A couple of hours a week or in spare time isnt really enough any more And that is not good I think UninvitedCompany pointed this out a long time ago now but its always been a problem  how to get enough traction both in the face of general apathy and when there is opposition from those with for whatever reason more time to spend on Wikipedia and the willingness to dominate discussions This reminds me of who the top contributor to WTRFA is as one of the arbitrators pointed out recently