The 19-year-old made just 25 first-team appearances for his boyhood club, 24 during last season, before departing for the Gunners in a £16 million deal and Channon believes the move was a foolish one for his development.
"What sort of ambition have these players got if they are going to go to these clubs, sit on their backsides and get splinters in their backside? I can’t see the sense of it," he told talkSport.
‘Why do Arsenal even want him? I just don’t understand it. He would be better off learning his trade at Southampton. The lack of players wanting to play every Saturday is the biggest disappointment I have.
"It’s sad for Southampton, but the club is bigger than anyone. It’s bigger than any individual player and it will survive long after we are all gone, but the culture of football now seems to be getting as much money as you can, no matter whether you play on a Saturday. That is the worry for me.
"The players' attitude these days is, I will go for the money and sit on my backside and play 25, 30 games a year and you are a Premier League player."
Signing a five-year contract at the Emirates, Chambers becomes the third youngster to swap the South Coast for North London in the recent seasons, following in the footsteps of Theo Walcott in 2006 and Alex Oxlade-Chamberlain in 2011.
The versatile defender’s departure also continues Southampton’s remarkable summer exodus, with Rickie Lambert, Adam Lallana and Dejan Lovren all leaving for Liverpool for a combined £48 million, and fellow teenager Luke Shaw moving to Manchester United for around £30 million.
More names could yet be on the way out too, with both Jay Rodriguez and Morgan Schneiderlin linked to Tottenham Hotspur, in potential deals which would see the club’s transfer income soar above the £100 million mark.
With Serbian winger Dusan Tardic and Italian strker Graziano Pelle the sole additions so far, new boss Ronald Koeman has a lot of work on his heads to bolster his squad for the start of the season in their bid to improve upon 2013-14's eight-place Premier League finish.
Whether Chambers will eventually prove vindicated in his decision obviously remains to be seen, but it’s clear that the England under-21 international still has much to prove at this stage in his career, despite his undoubted potential.