Services are provided at no cost.
In that instance, the judge ruled that the claimant had failed to demonstrate that the data gathering had caused injury to each individual who had been subjected to it.
If damages could be assessed, he would not rule out the potential of other class-action lawsuits in the future.
"Optout cases are particularly authorised in the Competition Appeal Tribunal," Dr Lovdahl Gormsen said in an interview with BBC News.
Meta has categorically denied the charges.
According to the company, people utilise its free services because they find them beneficial and because they have choice over how their data is used.
'Deliver value' is an abbreviation.
People may use our service for nothing, according to a spokesman, according to BBC News.
It is because we add value to their lives that people pick our services, and because they have meaningful control over the information they share on Meta's platforms and with whom they share it."
"We have made significant investments in the development of technologies that will enable them to do so."
This recent lawsuit, on the other hand, adds to the company's legal challenges.
The Federal Trade Commission of the United States has been given permission to take Meta to court on anti-trust regulations.
Meta stated that it was confident in its ability to win in court.
According to Dr. Lovdahl Gormsen, Facebook "abused its market dominance to force unjust terms and conditions on ordinary Britons, granting it the authority to exploit their personal data."
In addition, this data, which was collected between 2015 and 2019, offered a very comprehensive picture of their internet usage, allowing the corporation to generate "excessive profits."
Unless they want to opt out, everybody residing in the United Kingdom who used Facebook at least once during that time period would be included by the claim, she adds.
However, in November, the Supreme Court of the United Kingdom dismissed an optout lawsuit that sought billions of pounds in damages from Google for the alleged illegal surveillance of millions of iPhones by the company.