The democratic Japanese government could simply ban Chinese admissions as a matter of policy, but there isn't a diplomatic or security justification for doing so. The fact that U Tokyo resorted to a sneaky and underhanded tactic speaks to a bigoted motivation.
There is smoke there so it should be investigated. Alternatively maybe they wanted to admit more Chinese students who normally use or were willing to use proxy serves. Maybe because they think these students would be less effected or boxed in by propaganda, essentially giving more support to those they favor ideologically.
Not clear from the article if this is going to get investigated and cleared up though.
