Why has Bangkok's main airport become a field hospital during the pandemic?

The conversation discusses the transformation of Bangkok's main airport into a field hospital amid rising COVID-19 cases, particularly concerning the Delta variant. Commenters express skepticism and sarcasm about the effectiveness of this measure, questioning the allocation of resources and the management of hospital capabilities. There are concerns about the lack of vaccines and the handling of incoming travelers with positive COVID tests. Overall, the community appears unsettled by the situation and critical of the government's approach to the pandemic.