The technology depicted in Upgrade is substantially more connected than existing technology circa 2020 and serves to facilitate several plot-crucial events in the film, but is largely overshadowed by more plot-relevant technologies such as information privacy and network security.
Upgrade suggests that as technology develops a form of secrecy it is important that we prepare to protect desperate people from implants that haven't been clinically tested yet. Additionally, Upgrade reminds us about how our laws and regulations will need to be updated to accommodate potential issues that could arise with.
In the digital age people have lost a great deal of privacy, and Upgrade suggests that as technology advances a total loss of privacy may be possible as people are forced to choose between their privacy or other rights.
Upgrade portrays a level of surveillance and data collection that is feasible given current regulations and developments in technology, and that raises questions of privacy and data ownership.
Upgrade takes a fair amount of liberties with its portrayal of "darknet hacking", but balances this out with the very real risk of remotely compromisable computerized prosthetics.
Upgrade warns people of the danger in assuming that any technology is flawless and the risk of not preparing for eventual problems. No technology is completely reliable, and its' creators should err on the side of caution and assume problems will occur.
Upgrade highlights how technology will change our workplaces for the worse due to said technology being kept as trade secrets and how there will always be some issues with incorporating technology into workplace environments.