Why were two civilian consumers not allowed to testify at the recent US Senate hearing on Debt Settlement?

I impact in Debt Settlement for an intensely ethical, 100% openly association who impact to support the business with legally, legitimately removing out of (unsecured) debt so they can pierce upon with their lives. Yes, legislation is vital to judge the attention to safeguard which all Debt Settlement companies hit obviously tangible dominion which strengthen consumers, though the supervision is perplexing to villify the attention as the whole, exemplifying reject but veritable investigation.