great news. it can cause some decrease in Unity selling supposing that you are not alone in this situation. please write an article if done successfully, what can lead finally to an escalating panic, resulting in everybody trying to sell Unity licenses
it means you can sell a 3DGS license not only once, but the 2nd owner also can sell it again... there are some other game engines and softwares where the EULA does not allow it to sell.