An Echo on Test and Trace?

I appreciate that, in a complex world with too many of sources of 'information', people tend to fixate on opinions that broadly chime with their own. I also understand that I am just as likely to be influenced in this way as anyone else. Having said that, a recent opinion piece by Professor Anthony Costello of University College London (so he seems bona fide enough) seems to reflect many of the concerns that have been exercising me for some time (https://www.theguardian.com/commentisfree/2020/sep/10/england-test-trace-winter-failing-system-second-wave). He clearly believes that an effective Test and Trace system will be essential, if England is not to be overwhelmed by a probable second, winter wave of Covid-19 infections. This second wave is made more likely by relaxation of 'lockdown', returning people to work (and consuming), sending pupils to their schools and directing students to university, just as the weather conditions deteriorate (and other infections also take hold). Costello is clearly as surprised as I am that the Test and Trace system (which ought to have been developed and honed, since the start of the pandemic), is currently nowhere near fit for purpose. He thinks it was illogical (as do I) that both elements were expensively 'outsourced' to private companies with little or no experience in these areas. This was rather than building on the scientific expertise that already existed in Public Health, University laboratories et cetera. It's a bit late to be talking about 'moon shot' technologies, when you could have been getting a real Test and Trace system in place since March! As well as 'following the Science', government should 'follow the expertise'.