Find the card that gives you the most money back and forget about points. There are too points in the system and the airlines can devalue them at anytime.
“ Lounges are full as more people travel in premium cabins and burn points built up during the pandemic, while travellers have also learnt methods to earn points and status without doing too much flying.
Amid concerns that the balance of power has shifted too far towards the frequent flyer, some airlines including British Airways in the UK and Delta in the US have introduced changes to make it more difficult to reach their elite frequent-flyer tiers.
These have polarised customers. In London, enraged frequent flyers have written open letters to BA’s chief executive, threatened to move to its rivals and even drawn up plans to hold a “wake” for the old scheme in central London when the changes come into force in April.”
https://www.ft.com/content/85ddff1e-9552-4ff9-ae59-b688e2984d20