Hypothesis: the message seems to imply that the cliche nature lover needs to trample and destroy said nature to be close to it.
This seems the most likely explanation to me.
And I find it neither funny nor insightful.
Edit: I can't manage to copy paste usernames on mobile but please check out the refinement by the comment to this post. Highly valuable edition. Tldr of it: not "nature lovers" in general but social media invasive nature lovers.
It's not so much nature lovers but social media "content creators" who are criticized here.
There was a case I read of a man caring for a beautiful patch of flowers, but then it got famous on social media and those assholes went there in buses, took pictures lying in there and destroyed it. Heartbreaking to read about that one. Sadly I can't find that specific case anymore, but there are enough articles about the problem, like this one.
I think we can assume that this is spring/early summer, but yeah - you aren't wrong. I can't see myself enjoying grass between my toes if I have to shove my bare feet through a meter of snow.
Very common, at least here in California, for there to be nice blooms of flowers that people decide to obliterate so they can take pictures for social media. By the time the 80th troglodyte traipses through the flowers, they've ruined it for everyone else that might enjoy them - and the flowers are fucked.
I can almost guarantee that this is the point of the comic. The only other interpretation I've seen that I can accept is that it's actually about the grass between your toes, which some people dislike.
Because they aren't interested in the flowers, they're interested in how they look with the flowers all around them. It's a selfish act for vain individuals.