Yes, but more specifically it is focussed on the assertion by...

Yes, but more specifically it is focussed on the assertion by the ACCC that TPG will build a 4th network if the merger is rejected and that it would realistically lead to increased competition. They say there is a "good chance" of it happening, the evidence presented suggests otherwise.

Additionally, the assertion that the merger would lessen competition was also under scrutiny with evidence suggesting that a rejection of the merger would lessen competition in several ways. The merger would cause Vodafone to increase prices and reduce the quality of offerings because they don't have the spectrum they need.

The ACCC is in a fantasy land, where numerous economic realities and market conditions don't seem to matter. The evidence clearly shows that TPG don't want to build a network. It also shows that if they did, it would be vastly inferior to the other networks. It also shows that Vodafone would be in trouble without a merger, which would reduce competition.