There were several articles written about it. https://www.forbes.com/sites/brucelee/2019/05/24/there-is-a-helium-shortage-what-you-need-to-know/#2908ff5070b3 h

There were several articles written about it. https://www.forbes.com/sites/brucelee/2019/05/24/there-is-a-helium-shortage-what-you-need-to-know/#2908ff5070b3 https://www.forbes.com/sites/brucelee/2019/05/24/there-is-a-... Afaik the jist of it is that once it is used it escapes the atmosphere and there is a finite amount of it.