The phrase "all that optimism" is correct and usable in written English.
It can be used to refer to a significant amount of optimism, often in a somewhat sarcastic or critical context.
Example: "Despite all that optimism about the project, we still faced numerous challenges that were overlooked."
Alternatives: "all that positivity" or "all that hopefulness".
A run of eight clean sheets and seven successive victories going into the last day of the regular season had ignited hopes of automatic promotion but all that optimism unravelled when a 1-0 defeatoto Morecambe sent them into the post-season knockout competition they have learned to dread, having lost in the semi-final twice in the previous three years.
I asked her, "What about holding on for hope and the power of positive thinking?" "All that optimism is just lying to yourself," she said.
But three games into McKenzie's tenure, all that optimism has turned to angst after heavy defeats to New Zealand (twice) and South Africa.
All that optimism might have been premature.
"All that optimism disappeared, almost overnight," Mr. Birchard said.
Boomer proceeds to lose every contest, and all that optimism ends in a piggish temper tantrum.
From the early to mid-60s, when pop was young and loaded with the promise of the new, the Beach Boys released a series of singles that evoked all that youthful optimism, songs such as Surfin' USA, I Get Around and the classic California Girls.
But what's most striking, when you read the newer pieces alongside the old ones, is the existence, despite all that's happened, of optimism on a mass scale.
Ranjit-Singh believes that Laing's "failed experiment was all part of that optimism of the Sixties.
What Glavine had termed "hope and optimism and all that stuff" was, for one night, renewed.
RN: Kerry on debating points, but Bush on personality, optimism and all that stuff that Kennedy and Reagan had down pat.
