Stripping them of the title really does nothing. They already has played, won, celebrated, has a parade, made their money, received bonuses, etc. They already enjoyed all the perks and a pencil mark in the record books wouldn’t change any of that.
But yes, strip them off draft picks or something going forward. The ownership and management has already enjoyed the benefits of winning. Time to make them experience the financial windfall of losing. If all that happens is you fire a GM and a manger - something two teams completely uninvolved in the scandal also did - it’s not exactly a penalty that discourages repeat behavior…