Well, it seems the Steemit Gods have just answered our prayers! Just stumbled upon this post: https://steemit.com/steemit/@alexpmorris/hide-resteems-just-released-a-new-and-simple-tampermonkey-script-for-you-know-what
I installed the TamperMonkey script, quite simple (I'm not a coder), and now I click on a 'Hide Resteems' button. Win!
Cool! Thanks for sharing.