The PA leadership has in recent weeks urged Palestinians to refrain from insulting symbols and persons of the Gulf states.
Last year, Turkey arrested another two men also suspected of spying on Arab nationals, including political exiles and students, for the UAE.
Since 9/11, the UAE has developed a comprehensive strategy to target terrorism in the region, symbolized by its sending troops to Afghanistan alongside the US.
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Security at UAE airports is being worked on to enable Israelis to travel through them.
They will be joined by US officials, as Israeli officials were in the first visit to Abu Dhabi after normalization.
The seven-page deal avoids any topics that may be controversial, such as a Palestinian state or American weapons sales to Abu Dhabi.
There was a time when all Arab leaders would have been united in the concept that settlement building and peace-making could not go hand-in-hand.