Thank you for interaction, @Anzus_GemWallet! If you want a palpable quantitative perspective on the gravity of the problem, one of the sources provides one:
In that companion analysis, I compare statistics of jewelry theft with wrench attack. The preliminary conclusion is that the actuarial cost of Bitcoin self-custody already is higher than self-custody of jewelry. The practical takeaway from both works is not to rely on obscure methods, particularly those yielding deadly-race-vulnerability.