Matthew 6:5-6 ESV
“And when you pray, you must not be like the hypocrites. For they love to stand and pray in the synagogues and at the street corners, that they may be seen by others. Truly, I say to you, they have received their reward. But when you pray, go into your room and shut the door and pray to your Father who is in secret. And your Father who sees in secret will reward you."
God is omniscient (having unlimited understanding or knowledge of anyone")
Omnipresent, (God is present everywhere at the same time.)
Why people raise their voices in any form is contradictory to what is necessary.
So to stand with the multitude and shout this "tongues" routine seems to me pushing their own barrow.
Modern tongues speakers legitimately believe they have received a special gift from God. Most are very sincere and their tongues speaking is not feigned. The tongues experience is highly emotional and produces a pleasant feeling in the participant. This emotional feeling makes tongues speaking highly desirable. However, Science has proven that modern tongues is not a language, but rather a learned psychological phenomena in which the brain produces random vocal sounds which is accompanied by a pleasant feeling. What the modern Christian tongues speaker does is the exactly what tongues speakers in pagan religions are doing. The conclusion must be that what people are experiencing is not from God, but some not fully understood physiological action of the brain.
Each to their own way but God only requires