Are the goo goo dolls gay?

Following are the Goo Goo Dolls' birthdates. The band formed in 1986.

John Rzeznik, born December 5, 1965

Robby Takac, born September 30, 1964

Mike Malinin (drummer 1995-2013), born October 10, 1967

George Tutuska (drummer 1986-1994), born February 1965