The atmosphere will certainly be very different from anything we know as an Olympic Games - arrive at airport - transfer to Village - eat , train, sleep - compete - depart. Listen to crickets in venues.
No international crowds for Tokyo - predictable outcome. The question is how much more will be negotiated /given away.
https://wwos.nine.com.au/news/tokyo-olympics-fans-from-abroad-unlikely/e6807ba3-6deb-49ca-b6f7-ce1311fe468c