Landry had like 116 catches in 2017 (the NFL record for the year) basically because everyone else was hurt and the line was down to 3rd stringers. Every other pass that season was a screen or a two yard toss to Landry. So around week 15, Landry walks into Gase's office and says that he needs more opportunities...maybe line him up outside a little more and throw him bombs. Mind you, we had multiple speed burners in Grant and Stills that we couldn't throw to deep because of the line. Landry was our slowest receiver, so it shouldn't have been hard to figure out that was a really bad idea.....
Anyway, Gase immediately cut Landry off and said "no thanks", and Landry took it personally. It was leaked to the media the same day that players were angry at Gase, with Landry's one on one conversation with Gase as "proof" he was losing the team. It's not very hard to connect the dots on what else happened behind the scenes.....Landry made the whole thing up and leaked it (thinking it would get him more deep passes from Moore behind a 3rd string line).
As I said earlier, Landry started a brawl two weeks later and the rest is history. Any team would be lucky to have his talent & work ethic, but the drama is not worth the $18M price tag. One other tidbit- in the team meeting the following week, Gase said that players need to "get with the team's game-plan or they'll be shipped to Cleveland". Landry was gone two weeks later, so Gase might have decided before the brawl that they weren't giving him the huge contract.