According to The Times, US not opening borders to Europeans does play a part in Europe restricting travellers from the US. [The Times]

It looks like, according to The Times, US not opening borders to Europeans does play a part in Europe restricting travellers from the US. " "The decision is primarily because of the worsening Covid infection situation in the US but Washington's decision to keep restrictions for Europeans all summer has made taking it all that much easier," an EU diplomat said. Earlier this month, Germany led calls to ban all nonessential American visitors to Europe if the Biden administration did not open US borders to Europeans." The Times for the full read. https://www.thetimes.co.uk/article/eu-to-remove-us-from-covid-safe-travel-list-fq5jzg3r6