yes, that's my thoughts too, they have all the means and a lot of money. Of course they don't reveal what's in their pipeline, despite of many rumors lont time ago they always officially denied any involvement in crypto-business.
Since PayPal just announced that crypto trading and payment services went live in the US, do you think PayPal may turn into a big competitor to existing cryptoexchages? They can also launch a crypto-currency trading desk as well, why not.
It's not impossible! Paypal is a big business entity with ample of cash ready for investment. So if they sniff the opportunity to make big money out of crypto exchange business, then I see no reason for them not to start a full fledged crypto exchange!
Probably, they have Similar plan in the pipeline, who knows! Probably, they have just taken an initial step to understand more about the market and later they will come up some bigger plan.
Nothing is permanent is the world of business! One prime example is JPM's u-turn about crypto matters. So I won't be surprised if Paypal comes up with a full fledged crypto exchange platform in future!