Anyway, it probably means MasterCard have no interest of getting money by offering Ciphertrace's service.
What I have always known about American based companies after acquiring or buying off another service or start up is that they would monetize the hell out of it

This probably doesn't seem to be the case. Maybe the just didn't want to keep paying third party services to help them out the AML job and decided to buy and integrate one of them into their company?
To be honest, it's just today that I get to know that they had been acquired a few years back.
Yes I think that it's most likely that mastercard will integrate/use the technology for any CBDC/stablecoin related technology that they also integrate (which I'd say is likely at this stage) rather than monetizing it.
Good. Why haven't I thought of that before? Simply by having some payments companies acquire all the blockchain analysis companies (well, most of them at least) will go a long way to reduce most of the trouble we are having with AML.
Then there will be only 2-3 companies to study instead of 50+. Variability will be greatly reduced.
I'm assuming in the short-term it will create a seemingly more laxed environment on AML however if cash is ever banned and stablecoins/cbdc's are deemed as currency, the long-term play will be that everything in that payment network will be scored, which means the AML problem could actually become a problem much larger than what it caused for just bitcoin and crypto.
Additionally, while lesser companies are there to study, I'm sure mastercard and others will be keeping this tech closely guarded. There will likely be less information to study in comparison to when there were 50+.
That's my 2 sats on the subject anyway.