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Still bulshit for me for any kind of (License).
We already seeing so many casino turned into a scam, even they have license.
Yet, the existence of a license adds a layer of security of possible dispute resolution when a player experience a situation with a casino that can not be solved by the forum and/or ADR bodies.
Without license, much like basebet right now, players can only resort to the forum and third party arbitrator, which the casino [judging from their past history] can and will very likely to ignore.
Thus, the presence of a sub-license, bullshit or not, adds a layer of confidence in gambling experience. And likewise, the absence of it should raise big enough concern and caution to proceed with the platform.