How is "the dollar getting weak"?

Michael Saylor has been saying that all the time as one of the reasons to get Bitcoin.

What does that mean? USA is the largest economy and home of the big tech companies who control our life. They print money for decades, they almost don't have any competition. The inflation doesn't rise, it's been long time since covid quarantines.

I'm not an expert but it seems to me that the coin of the largest economy in the world would not get weak while the country keeps growing