Everybody knows that to influence how the wiki is run it's more effective to change a single word in an important policy than to establish ten new policies.
Sounds like your aunt is just jealous she lacks your problem-solving skills and personal style, and, like all resentful no-talent scrubs, confuses 'tearing down those who did something' with 'I did something', hence her campaign against you. Her jealousy is unbecoming. Wear the pretty things in good health and find it in your heart to pity the poor old termagant who may be older but has certainly not acquired any wisdom or grace.