The apostle Paul teaches that tongues (languages) are only used to communicate intelligently, not gibberish. Tongues originally served as a sign for unbelievers.
Adherents to the Pentecostal movement try to mimic some of the superficial surface manifestations of Acts 2 rather than follow the teaching given on that day.
The receiving of God's Spirit is for God's creative effort in our lives. God's Spirit transforms us from a state of destruction into a state of purity.