“Disappointed in” versus “disappointed with”

When giving out statements to the press people often leave it ambiguous over whether they were disappointed in themselves (blame themselves) or in someone else (blame others) or just disappointed with the outcome (no one to blame). The press may also leave it ambiguous in their headlines too.

Some examples from the BBC :-

Iain Lewers disappointed at being dropped by GB
…Two-time Olympian Iain Lewers says he is hugely disappointed at being dropped…
Published Date
TagsSportHockey
Published Date 1 Dec 2016

DUP’s Bradley ‘disappointed’ by Wilson’s AIDS comments
…The DUP MLA Paula Bradley has said she is disappointed by comments made by her… say I was slightly disappointed by that reaction. I believe it wouldn’t have been…
Published Date
TagsNewsNorthern Ireland
Published Date 30 Nov 2016

Tyrone boss Harte ‘disappointed’ over contract extension rebuff
…Red Hands manager Mickey Harte says he is disappointed that his request…
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TagsSportGaelic Games
Published Date 31 Aug 2016

Heads ‘disappointed’ by Autumn Statement funding omission
…Head teachers say it is “disappointing” that Chancellor Philip Hammond’s Autumn… Leaders, said: “It is disappointing that the Autumn Statement failed to address… Teacher, also expressed his disappointment the government had failed to use…
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TagsNewsEducation & Family
Published Date 8 Dec 2016

Hacio: Cyfres 2016: 9
… Bieber. Sion investigates a ticket company that has disappointed a number of Justin…
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TagsProgrammesS4C
Published Date 18 Nov 2016

Arlene Foster disappointed by fund criticism
…First Minister Arlene Foster says she is disappointed by criticism…
Published Date
TagsNewsNorthern Ireland
Published Date 15 Dec 2016

John Legend: Kanye West and Donald Trump meeting ‘a publicity stunt’
… French media outlet Clique the pair’s meeting was “disappointing”. “I don’t think… for a lot of people, and for Kanye to support that message is very disappointing.” Mr… disappointed with Kanye that he says he would have voted for Trump.” West is one of the few…
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TagsNewsEntertainment & Arts