Scotland have won just four of 10 Test matches this year and have been left with a very familiar feel at full-time.
Tuipulotu was asked if the criticism from the stands was justified after another defeat and said: “I think so.
“Gregor talked in the locker room about consecutive sellouts at home, but not all stadiums do that.
“Yesterday we watched some rugby and there were some empty seats in the stadium, but not in our stadium and there is a bit of guilt because people pay a lot of money to come and see us.”
What was alarming was the nature of Scotland’s collapse.
From a position of dominance to opening up almost at will, with no way to stop the tide.
Scotland sent penalty after penalty during the Argentine attack as the players tired and Santiago Carreras took the game by the throat.
Substitutes Tom Jordan and George Horne were left on the Scotland bench as they were swamped by wave after wave of Blue and White attacks.
“Decisions and discipline will be the two areas we look at most closely,” Townsend said.
“We have to be better at our discipline. If you give a team with momentum one penalty after another, it will make it easier for them.
“We obviously didn’t handle that momentum shift when we were up 21-0 and had a chance to go up 28-0. Everything changed at that point.
“You have to give credit to Argentina, they put pressure on us and they deserved to win in that last quarter.”
Scotland came close to defeating New Zealand last weekend, coming back from 17-0 down to draw before conceding at the death, but both captain and coach agreed that this result was the biggest disappointment.
“I don’t think I can be as disappointed as I was last week, but I think this is more disappointing,” Tuipulotu said.
“I told the guys, ‘We’re going to have to take a very hard look at ourselves.’
“The next few days are going to hurt and it all starts with me, I am the captain of the team and I also take responsibility.”
