As a counterbalance - reporting restriction from court are highly regulated in the UK. If a person breaks the regulations it is easy to deny them access the next day. No so easy on remote access, hard to control/prosecute contempt of court.
For example, taking photographs in court, or in this case taking screenshots of court remotely.
> why is remote access still possible for other trials?
It's done on a case by case basis by the judge(s) involved in the case. It's not an automatic right.