They also do that in Florida. Where many of the pads are in a conservation area. Launching from those types of areas isn’t new, rocket launches are a well known impact.
Don’t ever see anyone talking about the NASA launch sites when these things are brought up. Always seems to be articles where the SpaceX stuff is in a vacuum and no one else launches or has launch pads to compare against.
Not saying that contamination shouldn’t be researched, just that much of the reporting seems to have a motivation behind it that isn’t what it claims to be.