Dude, are you kidding me right now?!??
Jesus told his followers this on His sermon on the mount...
Judge not, that ye be not judged. For with what judgment ye judge, ye shall be judged: and with what measure ye mete, it shall be measured to you again. And why beholdest thou the mote that is in thy brother's eye, but considerest not the beam that is in thine own eye? Or how wilt thou say to...
www.biblegateway.com
Some version of this is in all four gospels, showing you how important it is.
The reason I would never take you for a Christian is you exhibit zero fruit of the Spirit, which is literally what it means to be a Christian, aka the definition.