Recently, it seems that many people who previously praised Trump and supported Meloni are now starting to criticize Meloni again.

Fortunately, I never praised her before; besides consistently supporting Trump (mainly his some common-sense policies), I haven't praised anyone else, and even my support for Musk's political leanings is selective.
Praising political figures is very dangerous; politicians are actually the most unscrupulous. Those kings who sacrifice the country, their integrity and principles are worth more than life itself have been brainwashing people for thousands of years.
In the thousands of years of history, having one or two is good enough; don't expect that like beans, if you scatter a handful, they'll be everywhere?
When it comes to political figures, never place your hopes on the other side; no matter how big your hopes are, your disappointment often follows.
Over the years on the political road, I've seen too many people come and go; do you still remember your original intention?