I completely agree with all your rants and have made similar myself - yet I knew this is how it operates prior to purchasing my tablo… so I knew what I was getting into.
There are many, many topic over this - there is no local network discovery with tablo devices. There are detailed posts and vague FAQ tablotv blogs.
Even though Nuvyyo is based out of Canada, they use cloud CDN services - searching you’ll find api.tablotv.com which according to geoip is located in the US… not foreign, unless you are Canadian.
Loads and loads of post - one time TabloSupport provided this response