There are a lot of women on here who have very little of their own, and little confidence. Having their choices denegrated by some tosser is the last thing they need.
I love the seasonal decor thing, as I said upthread.
However, I don't think OP is BU to have a different opinion, and I don't think her OP was nasty or intended to belittle other people - it sounds like perhaps you have conflated OP's opinion with other people online who might criticise seasonal displays in a mean way.
Also, I think if one is posting one's home decor on SM, it's reasonable to assume that people might have, and express, opinions on it - I don't think the people who choose to share their decor with strangers on social media are these delicate shrinking violets you imagine.
Now me, I am just angry that some random thinks I fill my house with tat.
Why does it matter what some random thinks? One of my favourite sayings is "what other people think about me is none of my business".
It's pretty obvious that different people have different tastes, so it should also be obvious that not everyone is going to be a fan of the way you decorate your house. But you live there, not them, so their opinion shouldn't matter.