youtube-cookie-wall.php

<?php

add_filter( 'indieblocks_fetch_args', function( $args, $url ) {
	if ( false !== strpos( $url, 'youtube.com' ) || false !== strpos( $url, 'youtu.be' ) ) {
		$cookies   = ! empty( $args['cookies'] ) ? $args['cookies'] : array();
		$cookies[] = new WP_Http_Cookie( array(
			'name'  => 'CONSENT',
			'value' => 'YES+srp.gws-20220606',
		) );

		$args['cookies'] = $cookies;
	}

	return $args;
}, 10, 2 );