Yes, you are one of few. GH5 has compression artifacts even on 400mbps ;) Bitrate is important, but what is more important it's the codec itself. If it's a crappy codec then bitrate doesn't matter that much. If you use GH5 for professional work, then using "a drone with 100 megabits per second" sounds quite right.
Everyone is still using Mavic Pro and clients are happy :)
Once you offer a free service, it will be harder to get a proper pay later. Do that if you really need that job otherwise you are risking to get into low pay loop. I'm in a field where producers think that having a low price means you deliver lower quality so they are just not willing to risk it for that biscuit.