At age 35, Lebron, who should still be one of the best players in the league if Michael Jordan was any indication, will have Kyrie at age 28 and Paul George at age 30. The 1998 Bulls Championship team saw Jordan age 35, Ron Harper age 34, Scottie Pippen age 32, Dennis Rodman age 37.
The gap between the MLE and what Wade could command in the open market next year won't be nearly as big as it was when Wade signed with Chicago. Wade turning down 15 million a year to play with his friends is unrealistic. Wade turning down 5-8 million a year to play with friends is another situation entirely, especially if that's his last chance to do so before he retires.