The IT company Mullvad’s founder Daniel Berntsson is behind a giant donation to the populist Örebro Party, which advocates “comprehensive re-immigration” from Sweden. “It’s sad that it’s needed,” he told Flamman.
~ https://www.flamman.se/techprofil-ger-miljoner-till-orebropartiet/
It was a sponsorship and Proton’s PR team accepted him. It’s likely that they made a mistake, and that what’s matter. Their product is based on trust, you can’t afford to make mistakes like this. Or other mistakes like the previous incident.