Not considered as a scam attempt. Just people are worried who they accept Paypal from, it is a known reversible payment method, therefore unsecure for sellers. I would suggest only accepting or using people from trusted or if trusted. Even if amount are infinite.
To avoiding PayPal scams is not hard. To start with many of these scam emails are already filtered to your spam folder. If for some reason one escapes through the email.All you have to do is login to your Paypal account. The address bar doesnt say paypal.com so be sure not to enter your login info means confirm the webpage is a scam and they said they currently have no such promotion. So be careful about this to avoid to getting scam.