Despite being England's all-time leading run-scorer across all formats, the South Africa-born batsman was sensationally axed after the team's 5-0 Ashes thrashing in Australia in 2013/14.
The England and Wales Cricket Board then gave several convoluted explanations as to why their former captain had been discarded, citing the need to "support" current skipper Alastair Cook as a central reason.
In an interview with today's edition of the Daily Telegraph, to promote an autobiography due to be published on Thursday, Pietersen said he still did not understand why he was effectively sacked.
Despite everything Pietersen -- who has scored over 8,000 runs in 104 Tests, including 23 hundreds at an average of nearly 48, insisted he had not given up hope of representing England again even though he played no County Championship cricket for Surrey last season.
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"Why was I sacked? I'd love to know," he said.
Pietersen, 34, added he'd been shocked by the way senior bowlers Graeme Swann (now retired), Stuart Broad and James Anderson as well as currently injured wicketkeeper Matt Prior abused fielders for dropping catches.
"And (the bowlers) had the audacity to stand there and say: 'No, if they've ****** up we deserve an apology.' It's the most angry I ever got in that dressing room.
"I thought, 'I reckon I could hit these guys.