He said: "I know they had a hard run with weather in the Champions Trophy, they didn't even complete a full game against us, and certainly that was a struggle for them".
Joe Root is expected to be fit for England's first one-day worldwide of the series against Australia on Sunday. They are running high on confidence and will look to transform it into a good performance when the two teams meet in the first ODI at the Melbourne Cricket Ground.
Those qualities are not the only pre-requisites for success in Test cricket, of course, but Bayliss - along with assistant coach Paul Farbrace and captain Eoin Morgan - have turned England into a formidable white-ball unit.
But there is already disquiet in some quarters that with so much emphasis on how best to prepare for the next Ashes series in Australia in 2021, two years of planning will effectively be put in place by a coach who will not be there to see the job through, and whose successor might have different ideas anyway.
England are now fourth in the one-day rankings - level on points with third-placed Australia and on the coat-tails of the top-two, South Africa and India - and are perfectly capable of achieving their dream of lifting the World Cup next year.
The first ODI between Australia and England takes place on Sunday at the MCG. Smith has got an inside edge.
They will be the key to Australia's success with the bat, but then, England also have problems with the stick. Smith and Finch have been very good against this England bowling.
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Smith is joined by David Warner, who could release the shackles in this ODI series after being kept quiet with lower scoring rates in the Test matches.
Liam Plunkett claimed three wickets but went for 71 runs from his 10 overs, while Mark Wood was the most impressive of the English bowlers with the wicket of Warner in his return of 1-49.
0850 hrs IST: Okay, here we go!
He had gone on to 60 when he scooped a delivery from Chris Woakes to Joe Root at mid-off, ending his 80-run partnership with Tim Paine (27) and costing Australia late innings momentum. And what a start for Finch and Australia. They will prey on an unsettled Australian batting order and should feel confident of making the necessary inroads.
0825 hrs IST: England have won the toss and they have elected to bowl against Australia in Melbourne.
This match is Jos Buttler's 100th for England, and he was presented with a commemorative cap by James Anderson before play.
While the recently concluded Ashes series unfolded at an attritional pace, both sides are likely to approach the next five games in a more cavalier fashion.