Building others up is biblical
Colossians 4:6 Let your speech always be gracious, seasoned with salt, so that you may know how you ought to answer each person.
1 Thessalonians 5:11 Therefore encourage one another and build up one another, just as you also are doing.
Romans 14:19 So then we pursue the things which make for peace and the building up of one another.
Hebrew 3:13 But encourage one another day after day, as long as it is still called "Today," so that none of you will be hardened by the deceitfulness of sin.