There is nothing surprising in that, for the Adversary himself masquerades as an angel of light; so it’s no great thing if his workers masquerade as servants of righteousness. They will meet the end their deeds deserve.
Believers must be wary and vigilant that they always cleave to the Almighty and the Word above all else. There are many deceptions and empty messages that flatter and fool the flesh, but ultimately led us astray from following the One True King.