"Properly signed" or not, Zarif's signature is in fact right there, which was the initial point of the discussion So, none of the things you said matter as that was the initial claim and it is indisputable that Zarif did sign the agreement.
Nevertheless, this "improperly signed" document has shut down our nuclear program for 10 years already and if it gets revived as it is discussed on social media and official newspapers, it's the same terrible deal for Iran extended for another 3 years. Meanwhile, Trump can get elected back into office in 2024 and this time he can simply go for the trigger mechanism in the JCPOA, officially reimposing all UN Security Council sanctions on Iran just a year before the expiration date of the JCPOA. So, good job defending the restoration of the JCPOA.
Also, even the parliament is constantly voicing their concern over the revival of the JCPOA. Just today:
۱۶۰ نماینده مجلس در بیانیهای درباره مذاکرات هستهای به تیم مذاکرهکننده تأکید کردند که اکنون که بحران اوکراین نیاز غرب را به عرصه انرژی ایران افزایش داده است، نباید بدون توجه به خواستههای به حق ایران، نیاز آمریکا به کاهش قیمت نفت تأمین شود.
www.entekhab.ir
Here's a photo for you: