How does "The West Wind" by John Masefield support or negate the proposition that people tend to idealize the past?"The West Wind" by John Masefield

This is a poem that clearly is about nostalgia. The way in
which the west wind in the first stanza is described obviously indicates that the west
wind brings with it a whole load of memories to the speaker of times long gone that he
is now distant from both geographically and through the passing of time. Consider how
the poem opens:

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It's a warm wind, the west wind, full of birds'
cries; 
I never hear the west wind but tears are in my eyes. 
For it
comes from the west lands, the old brown hills. 
And April's in the west wind,
and daffodils.

The way in
which the west wind results in the speaker crying at the thought of "the old brown
hills" establishes this as a poem concerning the idealisation of the past. Consider the
rosy-hued way in which the speaker's home is
described:

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It's a fine land, the west land, for hearts as
tired as mine, 
Apple orchards blossom there, and the air's like
wine. 
There is cool green grass there, where men may lie at
rest, 
And the thrushes are in song there, fluting from the
nest.

Unrealistic
descriptions and the complete absence of any negative descriptions clearly indicate the
way in which we all often regard our past as being better and more trouble-free than the
present. The "air's like wine" as if breathing it in too deeply would end up in the
speaker becoming drunk, and there is rest in the "cool green grass" and the absence of
labour and toil. Clearly this is a fictional, non-realistic memory of what the speaker's
home was like, but this is a fiction that is not disturbed during the rest of the
poem.