Those charts are only guides. Teams give more or less all the time based on multiple variables such as draft depth and certain positions, star QBs and so on.
i say let people make the trades they want to make and use what guide they would like or no guide.
For instance: if I’m picking at 10 and there are 5 guys on my board with the same grade and don’t know which I’d prefer, I’d be willing to take less value than what a chart says in a trade to move back to 14. But if I’m at 10 and one guy I had ranked in the top 5 falls to me, it would take a lot more to get me to move back. This happens all the time.
supply and demand my man, let the free market decide the prices. That’s fair for everyone. There’s no reason to impose a chart on people. It takes two to tango, so if they both like the music, I say let them dance.