What mormons say they believe and what they actually do believe are two entirely different things. Anybody can claim what you posted for the saying of it and many cults and false religions always usse Christian verbage...for obvious reasons.
I’ve had atheists as neighbors and they too are friendly, love country, family and friends and willing to be helpful when they can. That does not make them Christian because they’re behavior is such.
Mormons have “adopted” the Christian verbage because without it your leadership would have fallen long ago and with it the organizaation...
Mormonism is a counterfeit Christianity from front to back. Everything about it is a “copy”....until the BOM....which is a farce.
Until someone has the ability to look into another’s heart and mind and know what they know and feel and believe, they cannot say with accuracy that their faith in Jesus Christ is false or fake.
Only God has that ability, and all judgment is committed to His Son who can make that judgment perfectly. It should be left up to Him. It is no small thing to accuse falsely, and we could later regret doing so.