They're not downvoting you because it's not secure; they're downvoting you because you don't understand what the product does.

Then you misunderstood, or I am perpetually misunderstanding. The comment that I responded to asked for a way to use this product to send actual text messages. He wanted to relay a message to another phone via this product and then have his phone send an actual text message using information from the initial message. I gave a suggestion about how to do that.