If the EU passed GDPR despite knowing it would be offensive to the US and big tech, why would they now care that it's offensive to the US and big tech?

The article claims this is because of big tech and Donald Trump. It just states that they have applied pressure. I would love to see more information on how those forces specifically are precipitating the change.

Meanwhile the EU commission claims that this is for the benefit the European tech sector.

>our companies, especially our start-ups and small businesses, are often held back by layers of rigid rules

The latter seems like the more obvious explanation and what critics said about GDPR all along.