The CEO’s LinkedIn Page says he is Greek. “Flight Sim Labs” produces no hits in the Athenian corporate registry [2]. I did find a Flight Sim Limited in the U.K., but registered to a different person [3]. This British Flight Sim Ltd was formed about a month ago.
TL; DR Consider whether you, or customers like you, have legal recourse before executing someone’s blob.
[1] https://forums.flightsimlabs.com/index.php?/announcement/11-...
[2] http://www.acci.gr/acci/shared/index.jsp
[3] https://beta.companieshouse.gov.uk/company/11142081/officers