Perhaps he has demonstrated to be "balls deep in conspiracy bullshit" elsewhere, but all I'm seeing in that clip is him confirming a number of facts...
-It was known from a very early stage that Covid is an entirely benign if somewhat unpleasant illness for 99% of the population.
-The government did have a well established pandemic plan in place which for some reason it chose to completely disregard.
-The long term impact of the response to Covid, in regards to the economy and public health, is far more serious, wide ranging and long lasting than any damage that Covid did or didn't cause.
-Sunak has completely refused to acknowledge the key role he played in causing the now all too evident damage to the economy and public health.
I'm sorry to hear your mental health was effected but I very much doubt it was covid that caused it, it was more likely the entirely disproportionate and largely unjustified over reaction, the scare mongering and the fear instilling authoritarianism that was more likely the cause of your mental health problems.