‘They make claims about the gift that are simply not supported in Scripture in ANY way.’
Could you elaborate?
‘Nor is the gift usually practiced in the Scriptural way that the Holy Spirit through Paul admonishes.’
The Corinthians exercised their gifts in exactly same way. It didn’t make their gifts any less valid in and of themselves.
That tongues is a prayer language that is more effective than your native language.
That Satan cannot understand it because it’s a heavenly language and therefore, when you pray in it, Satan cannot use what you are praying about to attack you.
That it’s for every believer.
There’s the doctrine of the evidence, which is that speaking in tongues is evidence that you’ve been been baptized into the Holy Spirit and that if you don’t speak in tongues, that somehow your fullness of the Holy Spirit is somehow lacking. There ends up being class distinctions within churches between the haven’t and the have not’s and the have’s are more spiritual than the have not’s.
That believers should seek to speak in tongues.