WA Police alleged Glynn had a Palestinian flag flying outside his house, creating angst among neighbours, and when they looked through his phone, they allegedly discovered images of attempting to make a smoke grenade bomb.
Glynn argued he collected flags, and owned more than 50.
In relation to his social media posts, he said he was a supporter of the Palestinian people.
“Yes, I’m a doomsday prepper, I have information downloaded, I’ve had the time, I’ve had the money, but I don’t intend to harm anyone, I haven’t followed through with procuring anything,” he said.
“I keep to myself, my neighbours hardly know me, I’ve never had an issue with the law. I’m not a violent person, I’m quite the opposite.”
Magistrate Ben Tyers said the alleged actions represented a danger to the community.
“There’s nothing illegal or improper with supporting the Palestinian cause, what is not proper is posting online comments supporting a massacre of innocent civilians,” he said.
He also added “boxes and boxes” of ammunition and weapons stowed around the house was of “considerable concern”.
Glynn was refused bail and is due to reappear in court in February.
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