While Azerbaijan has the same opportunity as Britain to show continuous Olympic improvement over 20 years, the scale of its success has been more modest: one medal in 1996, three in 2000, five in 2004; seven in 2008 and 12 in 2012. The tweet has since been deleted.
China's official news agency has laid into the country's Olympic team, branding it a "flop", and criticising the fact that it sits below Great Britain in the medal table.
"As Australia's Olympics are becoming marked by high-profile big misses and failures to deal with pressure, the old enemy is storming ahead", they wrote.
One of those chances duly delivered another medal when diver Jack Laugher added silver in the 3m individual springboard to the gold he won with Chris Mears in the synchronised event, bringing up Team GB's half century.
Four years ago in London, China claimed four titles.
The nationalistic state-run newspaper Global Times - which has previously dismissed Britain as an "old declining empire" whose "national strength can not be placed in the same rank as China now" -tried to keep spirits up Wednesday with an article headlined "Happy Without Gold: Chinese public unfazed by sluggish medal winning".
D'Agostino went down while running in the 5K race on the track and had to be taken off in a wheelchair for an MRI back at the Olympic village.
The disappointments began swiftly in Rio.
Germany earlier beat South Korea for bronze.
It's the last day of rowing on the iconic Lagoa with both the Team GB men's and women's eights looking for a golden ending while the action in the swimming concludes with Fran Halsall set to go in the women's 50m freestyle final. In badminton, China's formidable mixed doubles pairs and second-ranked women's doubles pair were eliminated. It can only be described as the best performance in Olympics history.
"After Beijing was selected as the host city in 2001, China started a long-term talent training plan for the Games", China's General Administrator of Sport Gao Zhidan told Xinhua in July. "The plan continues but is not as vigorous as then. That will be another challenge".
Dafne Schippers of the Netherlands and Tori Bowie of the US, the silver medalist in the 100 meters at Rio, are aiming for a showdown Wednesday in the women's 200 meters.
"Five gold medals is something that I'm very, very proud of", Rose said Monday.
Hannah Mills and Saskia Clark (GBR) have won the Women's 470 gold medal with the Medal Race to spare.
Fu Yuanhui has become a social media celebrity thanks to her candid and humorous pool-side interviews on topics from periods to boys.
Heck, when Joseph Schooling defeated Michael Phelps in a heat of the 100-meter butterfly, his native Singapore celebrated as if he had won the gold medal before he ACTUALLY won the gold medal.
"What we chase now is the gold standard Fu Yuanhui reflects in her humour and innocence".