According to Politico, the main issues are that the summit is running behind schedule, has not been coordinated with major players in the European space sector, and lacks a clear purpose

The White House is reportedly urging American space firms to decline an invitation to a Paris summit. This discouragement stems from concerns about tacit support for European…

The White House is pressuring American space companies, including billionaire Elon Musk's SpaceX, to decline French President Emmanuel Macron's invitation to a space summit in…
A spokesperson for the German chancellor blamed his busy schedule.