restricted air space

The two attached images are screenshots of DJI Fly and AirMap advising me of flight restrictions in Dallas, Texas's "East Dallas" area. As as reference, you can see White Rock Lake roughly in the middle of the right side. The difference in indicated restrictions is striking. AirMap says...

Flight approval help needed! I have a potential wedding job here in Destin, FL/attached in November but need to confirm if I’ll be able to fly on wedding day (and of course am seeing the below notice today)... what’s the best way to go about this this far in advance? Thanks!

Why when in R-4006 controlled airspace in Heathsville, VA with a restriction of 3500’ and up do many apps I look at show it as a no fly zone?

Not sure if this has been discussed before here, but I saw a Youtube video where a Mavic Pro user talked about how the Mavic Pro sends your coordinates to local authorities. I'm a little concerned because I am close to a nature area and I am worried that I'll receive a fine in the mail (or a...