Just disable alternative power progression systems in instanced content and keep covenants ,ap, soulbindings as world only abilities.
Everyone wins then. People who play content that relies on balance get what they want and people who want to grind and never stop growing in power become demigods of the open world. Also opens up covenants for those who care about performance and lore by making the covenant not impact high end play.
Everyone wins but those weird people who want to force others into their game modes.