But Bielsa became embroiled in controversy last week as he admitted to sending a spy to watch Derby County's training ahead of their game on Friday.
Bielsa has Leeds top of the Championship table.
He doesn't believe that Bielsa is the first to employ a controversial tactic. "Reliably informed all wide of the mark".
"They've said it was immoral and violated the fair play and cheating".
Leeds United head coach Marcelo Bielsa may have wowed fans and journalists with Wednesday's hour-long tactical presentation, but his rival Championship managers have played down his level of analysis as "basic".
"My goal is to make this easier for the investigation". I don't think this will make it worse what they're looking for than what I am saying right now.
"One point I would like to talk about is that I am going to make it easy for the investigation of the league".
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"What I've done is not illegal". It is not specified, described or restrained.
'They do that sort of thing behind closed doors but they don't do it to the public. All the wrong things that you do are not done with bad intentions.
"If you observe something without authorisation, we call it spying. Because it's not forbidden, I didn't know it would create such a reaction and even though going and watching an opponent is not useful, it allows me to keep my anxiety low".
"I did not try to get an unfair sporting advantage". I did it because it was not illegal or violating a specific law.
The EFL has opened a formal investigation into the matter but Cooper insists the incident has not overshadowed Saturday's trip to Stoke.
A statement issued on Tuesday alluded that the "alleged actions appear to contravene the club's charter that all EFL clubs agreed to in summer 2018". "That would be good for the league".
Ipswich Town's 2-0 loss at Leeds in October was Paul Hurst's final game in charge.
Such is the work that goes on behind the scenes, both Mowbray and Reading manager Jose Gomes cited a lack of sleep for their respective analysts, while Derby County boss Frank Lampard claimed "there's no amazement from anyone who works in football".