Understanding 'Oxymoronic' in Context

In the context of the following passage, the word 'oxymoronic' is used:

During the debate about the efficacy of remote education, one participant described the situation as oxymoronic; while it was intended to promote accessibility, the complexities involved often left many students feeling more isolated than ever. This paradox echoed a sentiment held by numerous educators, who found the format to be both liberating and constraining.