Are the OEM blades the best quality? I usually just get OEM to be safe, but this is my first VW so I do not know.
For me, this is tough one to answer.
First, I generally prefer OEM parts to off-brand, aftermarket product for my cars. Sometime OEM part from the dealer are significantly more expensive and other times they are about the same as buying OEM from Amazon or other sources.
My original wiper blades that came with my 2012 VW Touareg lasted about one winter and split apart. The OEM replacement from the dealer were about $80 and lasted for 3 years.
My 2016 VW Golf had the same issue. The replacements from the dealer were fairly priced and lasted until I decided to replace them after about 3 years.
My 2019 VW Alltrack is only 2 years old and then original blades are still OK. I did, however, recently buy a set of Bosch OEM for the car through Amazon. They are packaged in a set ( different size for the driver side and passenger side). I plan to put them on before the winter weather gets bad.
I am sure that VW buys wiper blades from at least two of the big 3 suppliers. I will continue to buy OEM blades but when you go on-line it is often difficult to determine which version of (e.g.) Bosch blades are the same as the new ones ( all the correct size).
Actually blades should be replaced every year. I just don't think to do that.
So, I have not directly answered your question but that has been my experience recently.
But, I do recommend OEM, regardless of where you buy them. You can be certain, of course, that you are getting OEM from a car dealership.