The fact is Tails isn't trying to be a 'pentesting' distro, which is why they don't bother with installing it. If you want a 'penntesting' distro, grab Kali or Archstrike and install TOR on top of that.

Tails Secure Distro. These days, security and privacy issues are increasingly making the news, but where can the average free software user learn more about safer practices? One of the best answers I have found is Tails, a Debian-based distribution that seems as much about teaching users to make informed decisions as about the software itself. Tails 4.8 - Download for Linux Free 8/10 (31 votes) - Download Tails Linux Free. Tails is a Linux distribution to browse the Internet without compromising or jeopardizing the user's privacy. Tails connects to the Internet through TOR. Nowadays, with everyone rightly afraid that their activities on the Internet may be spied on by a Tails 4.8 Anonymous OS Released with Linux Kernel 5.6 Jul 18, 2020

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How to Create an Anonymous Bootable Tails USB - Make Tech Jul 20, 2017 Best Linux distros of 2020 for beginners, mainstream and Apr 16, 2020 Linux Security Distros Compared: Tails vs. Kali vs. Qubes