There is zero plausibility to this rumour because Konami makes over 50% of their revenue from their gaming division.
Of their 192million yen in revenue in 2018, gaming accounted for 105million. For 2019, it was 108 million.
Gambling is only their 3rd biggest profit mover (after fitness and gyms and only narrowing their arcade business) accounting for 21 and 22 million, in 2018 and 2019 respectively.
Sony licensing their games has more credibility than this rumour (which btw has existed before the Sony rumours).
Wow, Metal Gear Survive must be a beast then.
The rumor did say Konami would still get royalties from old titles and remasters. My main reason for objecting is the 0 plausibility....it’s at least a 10 ;)