Menachem Shmei,
1. You are arguing over nothing. I’m not even going to respond to your (non)rebuttal. This is what the Gemara says, its as clear as day that the Gemorah (and the meforshim say that it) means that Yaacov is alive through his seed. בָּתַר דִּסְעוּד אֲמַר לֵיהּ, הָכִי אָמַר רַבִּי יוֹחָנָן: יַעֲקֹב אָבִינוּ לֹא מֵת. אֲמַר לֵיהּ: וְכִי בִּכְדִי סְפַדוּ סַפְדָּנַיָּא וַחֲנַטוּ חָנְטַיָּיא וּקְבַרוּ קַבָּרַיָּיא? אֲמַר לֵיהּ: מִקְרָא אֲנִי דּוֹרֵשׁ, שֶׁנֶּאֱמַר: ״וְאַתָּה אַל תִּירָא עַבְדִּי יַעֲקֹב נְאֻם ה׳ וְאַל תֵּחַת יִשְׂרָאֵל כִּי הִנְנִי מוֹשִׁיעֲךָ מֵרָחוֹק וְאֶת זַרְעֲךָ מֵאֶרֶץ שִׁבְיָם״, מַקִּישׁ הוּא לְזַרְעוֹ: מָה זַרְעוֹ בַּחַיִּים — אַף הוּא בַּחַיִּים.
2. Here’s what you wrote: “…Based on that hekesh he proves that just as they are alive, so too he is alive even though facts seem otherwise. Rashi (on Gemara) explains that he was only buried because they thought he was dead, but really he was alive.” Do you really not see that you are totally contradicting yourself!!? You claimed the entire time that Rashi said the Yaacov Avinu was PHYSICALLY ALIVE and now you say that Rashi “explains THAT HE WAS only BURIED because they thought he was dead, but really he was alive”. So now you are saying I said said all along that his body expired as the posek says and not physically alive!!! Over what exactly are you still arguing with me on this? Unbelievable!