Irrelevant.
Wiki:
In July 2021, Minister of Industry and Trade Denis Manturov said the tank would enter serial production in 2022. However in March, Defence Minister
Sergei Shoigu claimed that only “an experimental-industrial” batch of T-14s would be delivered in 2022.
[37][
clarification needed] In August 2021, Deputy Defense Minister Alexei Krivoruchko said that the Russian Armed Forces would receive 20 T-14 Armata tanks by the end of 2021.
[38] On 23 August, a Rostec official said that the company had shipped an unspecified number of T-14 tanks in an "experimental batch" to the Russian Armed Forces.
[39] In November 2021, state trials were in progress and expected to be completed in 2022, and a "pilot batch" of twenty tanks was yet to be delivered to the armed forces.
[40][41] On 24 December 2021, First Deputy General Director of
Rostec Vladimir Artyakov announced, that "serial production" of the T-14 was launched.
[4] Earlier in December
MIC First Deputy Chairman Andrei Yelchaninov said that state trials of new ammunition loader for the T-14 should be fully completed in 2022, and that "more than 40" Armata tanks will be delivered to Russian troops after 2023.
[42]
Note this was before sanctions. Russian tank production is at a standstill now. That's why they are dragging out the relics.
You can put the T-14 in your file with the other "promising Russian weapons that were not produced".