L2VPN and L3VPN Differences

Hi all,

In the ISP I am working:

Q1)I realized that the L2VPN has QinQ termination at the service provider edge. However, the L3VPN goes to a logical router (VRF) without QinQ termination. Why is it like this?

Q2) Why are all the customers using the same L3VPN_VRF?? I dont understand the concept. If they are connected on the same logical router, wouldnt different customers be able to ping each other?

Just to add that the L3 routes are advertised as static routes in the VRF. Perhaps this will help.

Pardon me for the questions. Thanks!
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