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Yep. All these scam wallets run the exact same playbook, brand some exchange SDK boilerplate as self-custodial, make a few hundred bps each time someone tries it.
There's so many because it takes maybe two weeks and $3000 in indian subcontractors to make one, the hardest part is the app store submission. Pretty asymmetric if you can sucker a few thousand people into "trying" it.