Apart from the fact that the only personal information BBS Takes is your email address for delivery of the product. The MSFS Products do Not require use of the “activation account” so there is NO requirement or request for you to enter any personal details other than those you use for the Secure payment via PayPal so that’s really a Non Starter 
Finally, We do Not at ANY STAGE Sell (or give for free) any personal information at all … ever