Way too little, and way way (5/6 years) too late - that boat sailed long ago - they should have re-vamped high sec pve content whilst they still had competent devs and some $£ - but CCP just don’t have the ability to do so now.
High sec mission runners = subscriptions - that all got nerfed, so subs nosedived, meaning CCP to an extent, now depends on multiple account owners - so nerfing those peoples playstyles is probably not a great idea - but guess what CCP has gone and done 